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SWR's are better but.............. Icon_minitimeYesterday at 10:11 pm by John123

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 SWR's are better but..............

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sbilson
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Call Sign : 2-CT-172 noahtoo
Posts : 11
Times Thanked : 1
Join date : 2020-10-01
QTH or Location : Meeker, Colorado, USA
Equipment Used : Royce 23 channel CB radio
Age : 73

SWR's are better but.............. Empty
PostSubject: SWR's are better but..............   SWR's are better but.............. Icon_minitimeWed Oct 21, 2020 10:45 pm

After MUCH tinkering with antennas and coax FINALLY got swr down to about 4.0. Am now using RG-59 coax with 1/4 wave fiberglass antenna. Now where do I go? Assuming 4.0 is too high and need to get closer to 2.0.
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The DB
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Posts : 18
Times Thanked : 3
Join date : 2019-06-29

SWR's are better but.............. Empty
PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeWed Oct 21, 2020 11:56 pm

You are sure you are running RG-59?  RG-59 is 75 ohm coax, which is for TV use.  CB and Ham radios use a 50 ohm coax.  If you try and use 75 ohm coax in place of 50 ohm coax, it will generally cause this type of problem.


The DB

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sbilson
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Call Sign : 2-CT-172 noahtoo
Posts : 11
Times Thanked : 1
Join date : 2020-10-01
QTH or Location : Meeker, Colorado, USA
Equipment Used : Royce 23 channel CB radio
Age : 73

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PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeThu Oct 22, 2020 1:15 am

Well, I guess that was a dumb thing for me to do. Thanks for the info.
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Alan Pilot
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Alan Pilot

Call Sign : 163-CT-220...MW7TTA
Posts : 271
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Join date : 2019-11-19
QTH or Location : Holyhead
Equipment Used : Yaesu FT-991A.

SWR's are better but.............. Empty
PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeThu Oct 22, 2020 8:02 am

TV coax it is then ????
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NUBSTER
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NUBSTER

Call Sign : 26 CT050 26 FB080 26 WT105 26 TE171
Posts : 527
Times Thanked : 38
Join date : 2019-06-27
QTH or Location : NORTH LONDON
Equipment Used : original President Lincoln, Midland 8001XT, President Teddy , Silver Eagle microphones , Gainmaster antenna, use a AMP ofcourse I do sometimes
Age : 62

SWR's are better but.............. Empty
PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeThu Oct 22, 2020 8:47 am

Rolling Eyes mmmm yep Embarassed

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glenn dog
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glenn dog

Call Sign : 56-CT-004
Posts : 85
Times Thanked : 5
Join date : 2019-08-23
QTH or Location : TUUSLA- FINLAND
Equipment Used : ft-450d-mc kinley - cobra 19dxeu- lincoln+2 - superstar lord - grant 2 - tti hand held- alan42- crt mike cb - zodiac 68 hunting radio hand held- and few PMR 2
Age : 52

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PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeThu Oct 22, 2020 12:50 pm

This took me back to 79/80, would here about a few people setting up mobile or home base with wrong coax, or even connect the cb to the car radio antenna , and 1 close friend of mine used a Hornby train set power supply it did not end well for him.

Hope he can get some local help to fix his coax.
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Alan Pilot
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Alan Pilot

Call Sign : 163-CT-220...MW7TTA
Posts : 271
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Join date : 2019-11-19
QTH or Location : Holyhead
Equipment Used : Yaesu FT-991A.

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PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeThu Oct 22, 2020 2:06 pm

I remember someone using a train set psu back then.
Don't know if it did any damage but it had a bad buzz.
Can't remember what i did yesterday but i can remember that 40+ years ago.

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Jape
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Call Sign : 26-CT-1894
Posts : 22
Times Thanked : 0
Join date : 2020-04-13
QTH or Location : Eastbourne
Equipment Used : AT66 Gainmaster

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PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeThu Oct 22, 2020 10:04 pm

Alan Pilot wrote:
I remember someone using a train set psu back then.
Don't know if it did any damage but it had a bad buzz.


Think we've all done that....))

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Alan Pilot
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Alan Pilot

Call Sign : 163-CT-220...MW7TTA
Posts : 271
Times Thanked : 11
Join date : 2019-11-19
QTH or Location : Holyhead
Equipment Used : Yaesu FT-991A.

SWR's are better but.............. Empty
PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeFri Oct 23, 2020 8:06 am

Car battery and a charger i started with and ran like that for a long time.
Think the battery gave up in the end after being charged so many times plus topping it up with tap water lol.
How things have changed over time and you can't even top up a battery anymore.
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Northern Crusader
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Call Sign : M0GVZ / 26CT1760
Posts : 295
Times Thanked : 23
Join date : 2019-11-13
QTH or Location : IO94SA
Equipment Used : Icom 7300, TS480, President McKinley, Albrecht AE6110, CRT Mike
Age : 50

SWR's are better but.............. Empty
PostSubject: Re: SWR's are better but..............   SWR's are better but.............. Icon_minitimeFri Oct 23, 2020 9:29 pm

TV coax will work but you'll never get a SWR below 1.6:1 because of it.

What are you using for a RF ground? If you're using nothing then get four lengths of wire about 9ft long and attach them to the mount, laying them out in a cross pattern.

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